Motorcycle light bar



FIG. 1 is a perspective view of the motorcycle light bar, in position of use on a motorcycle, which is partially shown in broken lines for purposes of illustration only and forms no part of the claimed design;

FIG. 2 is an enlarged side view of FIG. 1, the opposite side being a mirror image;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a top view of FIG. 2;

FIG. 5 is a back view of FIG. 2; and,

FIG. 6 is a bottom view of FIG. 2. 

The ornamental design for a motorcycle light bar, as shown and described. 